pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.05	AttenGpKa training set	0	-1	O=P1(O)OOOO1	O=P1([O-])OOOO1	mol28890	O=P1(O)OOOO1